local MAJOR = "LibDropdown-1.0"
local MINOR = 1

local lib = LibStub:NewLibrary(MAJOR, MINOR)
if not lib then return end

local math_max = _G.math.max

local framePool = lib.framePool or {}
lib.framePool = framePool

local buttonPool = lib.buttonPool or {}
lib.buttonPool = buttonPool

local inputPool = lib.inputPool or {}
lib.inputPool = inputPool

local frameHideQueue = lib.frameHideQueue or {}
lib.frameHideQueue = frameHideQueue

local sliderPool = lib.sliderPool or {}
lib.sliderPool = sliderPool

local AddButton, Refresh, GetRoot, SetChecked, HideRecursive, ShowGroup, HideGroup, SetGroup, NewDropdownFrame, NewDropdownButton, ReleaseFrame, AcquireButton, ReleaseButton, AcquireFrame
local UIParent = _G.UIParent

local openMenu

local noop = lib.noop or function() end
lib.noop = noop

local new, newHash, newSet, del
if not lib.new then
   local list = setmetatable({}, {__mode='k'})  
   function new(...)
      local t = next(list)
      if t then
         list[t] = nil
         for i = 1, select('#', ...) do
            t[i] = select(i, ...)
         end
         return t
      else
         return {...}
      end
   end
   function del(t)
      setmetatable(t, nil)
      for k in pairs(t) do
         t[k] = nil
      end
      t[''] = true
      t[''] = nil
      list[t] = true
      return nil
   end
   lib.new, lib.del = new, del
end

-- Make the frame match the tooltip
local function InitializeFrame(frame)
   local backdrop = GameTooltip:GetBackdrop()
   
   frame:SetBackdrop(backdrop)
   
   if backdrop then
      frame:SetBackdropColor(GameTooltip:GetBackdropColor())
      frame:SetBackdropBorderColor(GameTooltip:GetBackdropBorderColor())
   end
   frame:SetScale(GameTooltip:GetScale())
end

local editBoxCount = 1
local function AcquireInput()
   local frame = tremove(inputPool)

   if frame then
      frame.released = false
      return frame
   end
   
   frame = CreateFrame("EditBox", "LibDropDownEditBox"..editBoxCount, UIParent, "InputBoxTemplate")
   frame:SetAutoFocus(false)
   editBoxCount = editBoxCount + 1
   frame:SetScript("OnEscapePressed",
                   function(self)
                      self:ClearFocus()
                      self:GetParent():GetRoot():Refresh()
                   end)
   
   frame:SetScript("OnEnterPressed",
                   function(self)
                      if self.ValueChanged then
                         self:ValueChanged(self:GetText())
                      end
                   end)
   frame.refresh = noop
   return frame   
end

local function AcquireSlider()
   local frame = tremove(sliderPool)
   if frame then
      frame.released = false
      return frame
   end
   
   local frame = CreateFrame("Slider", nil, UIParent)
   frame:SetWidth(10)
   frame:SetHeight(150)
   frame:SetOrientation("VERTICAL")
   frame:SetBackdrop({
                        bgFile = [[Interface\Buttons\UI-SliderBar-Background]],
                        edgeFile = [[Interface\Buttons\UI-SliderBar-Border]],
                        tile = true,
                        tileSize = 8,
                        edgeSize = 8,
                        insets = {left = 3, right = 3, top = 6, bottom = 6}
                     })
   frame:SetThumbTexture([[Interface\Buttons\UI-SliderBar-Button-Vertical]])
   frame:EnableMouseWheel()
   frame:Show()
   
   local text = frame:CreateFontString(nil, nil, "GameFontNormalSmall")
   text:SetPoint("TOP", frame, "BOTTOM")
   text:SetTextColor(1,1,1,1)
   frame.text = text
   
   frame:SetScript("OnMouseWheel", function(self, direction, ...)
                                      if not direction then return end -- huh?
                                      local mn, mx = self:GetMinMaxValues()
                                      local nv = min(mx, max(mn, self:GetValue() + ((self.step or 1) * direction  * -1)))
                                      self:SetValue(nv)
                                   end)

   frame:SetScript("OnValueChanged", function(self)
                                        local mn, mx = self:GetMinMaxValues()
                                        local nv = min(mx, max(mn, self:GetValue()))
                                        if nv ~= self:GetValue() then
                                           self:SetValue(nv)
                                           return
                                        end
                                        local n, x = self:GetMinMaxValues()
                                        local ev = x - nv
                                        frame.text:SetText(ev)

                                        if self.ValueChanged then
                                           self:ValueChanged(self:GetValue())
                                        end
                                     end)
   frame.refresh = noop
   return frame
end

local function ReleaseSlider(slider)
   if slider.released then return end
   slider.released = true
   slider:Hide()
   slider:SetParent(UIParent)
   tinsert(sliderPool, slider)
   return nil
end

local function ReleaseInput(input)
   if input.released then return end
   input.released = true
   input:Hide()
   input:SetParent(UIParent)
   tinsert(inputPool, input)
   return nil
end

local function MouseOver(frame)
   local f = GetMouseFocus()
   while f and f ~= UIParent do
      if f == frame then return true end
      f = f:GetParent()
   end
   return false
end

-- Frame methods
function AddButton(self, b)
   b:ClearAllPoints()
   b:SetParent(self)
   b:Show()
   if #self.buttons == 0 then
      b:SetPoint("TOPLEFT", self, "TOPLEFT", 0, -4)
      b:SetPoint("TOPRIGHT", self, "TOPRIGHT", 0, -4)
   else
      b:SetPoint("TOPLEFT", self.buttons[#self.buttons], "BOTTOMLEFT")
      b:SetPoint("TOPRIGHT", self.buttons[#self.buttons], "BOTTOMRIGHT")
   end
   tinsert(self.buttons, b)
   self:SetHeight(#self.buttons * b:GetHeight() + 8)
end

function Refresh(self)
   if not self:IsVisible() then return end
   local maxWidth = 1
   for i = 1, #self.buttons do  
      self.buttons[i]:refresh()
      maxWidth = math_max(maxWidth, self.buttons[i].text:GetStringWidth() + 60)
   end
   self:SetWidth(maxWidth)
end

function GetRoot(self)
   local parent = self:GetParent()
   if parent and parent.GetRoot then
      return parent:GetRoot()
   else
      return self
   end
end

-- Button methods
function ShowGroup(self)
   if not self.enabled then return end
   if not self.groupFrame then
      self.groupFrame = self:AcquireFrame()
   end
   if not self.handled then
      self.handler(lib, self.group, self.groupFrame)
      self.handled = true
   end
   self.groupFrame:SetPoint("TOPLEFT", self, "TOPRIGHT", 0, 4)
   self.groupFrame:Show()
   self.groupFrame:Refresh()
   self:LockHighlight()
   self:enter()
   if self.groupFrame.Showing then
      self.groupFrame:Showing()
   end
end

function HideGroup(self)
   if not self then return end
   if MouseOver(self) then return end
   if self.groupFrame then
      self.groupFrame:Hide()
   end
   self:UnlockHighlight()
   self:leave()
   if self.groupFrame.Hiding then
      self.groupFrame:Hiding()
   end
end

function SetChecked(self, val)
   self.checked = val
   if val then
      self.check:Show()
      self.check:SetDesaturated(false)
   elseif val == false or not self.tristate then
      self.check:Hide()
   elseif val == nil then
      self.check:Show()
      self.check:SetDesaturated(true)
   end
end

function HideRecursive(self)
   HideGroup(self:GetParent())
end

function SetGroup(self, t, handler)
   if t then
      self.expand:Show()
      self:SetScript("OnEnter", ShowGroup)
      self:SetScript("OnLeave", HideGroup)
      self.group = t
      self.handler = handler
   else
      self.expand:Hide()
      self:SetScript("OnEnter", nil)
      self:SetScript("OnLeave", nil)
      self.group = nil
      self.handler = nil
   end
   self.clickable = t == nil
end

-- Pool methods
local frameCount = 0
function NewDropdownFrame()
   local frame = CreateFrame("Frame", "LibDropdownFrame" .. frameCount, UIParent)
   frameCount = frameCount + 1
   frame:SetPoint("CENTER", UIParent, "CENTER")
   frame:SetWidth(10)
   frame:SetHeight(24)
   frame:EnableMouse(true)
   frame.AddButton = AddButton
   frame.Refresh = Refresh
   frame.GetRoot = GetRoot
   frame.isDropdownFrame = true
   frame.Release = ReleaseFrame
   frame.AcquireButton = AcquireButton
   -- make it close on escape
   tinsert(UISpecialFrames, frame:GetName())
   return frame
end

do
   local function enterButton(self)
      GameTooltip_SetDefaultAnchor(GameTooltip, self)
      GameTooltip:ClearLines()
      GameTooltip:AddLine(self.text:GetText())
      if self.desc then
         GameTooltip:AddLine("|cffffffff" .. self.desc .. "|r")
      end
      GameTooltip:Show()
   end
   
   local function leaveButton(self)
      GameTooltip:Hide()
      local p = self:GetParent()
      if p then
         local f = p:GetScript("OnLeave")
         if f then
            f(p)
         end
      end
   end

   local function pushText(self)
      if not self.clickable then return end
      self.text:SetPoint("TOP", self, "TOP", 0, -2)
      self.text:SetPoint("LEFT", self.check, "RIGHT", 6, 0)
   end

   local function unpushText(self)
      if not self.clickable then return end
      self.text:SetPoint("TOP", self, "TOP", 0, 0)
      self.text:SetPoint("LEFT", self.check, "RIGHT", 4, 0)
   end

   local function click(self)
      if self.OnClick and self.clickable then
         self.OnClick(self)
         PlaySound("igMainMenuOptionCheckBoxOn");
         self:GetParent():GetRoot():Refresh()
      end
   end
   
   local function settext(self, t)
      self.text:SetText(t)
   end
   
   local function disable(self)
      self.enabled = false
      self:SetScript("OnMouseDown", nil)
      self:SetScript("OnMouseUp", nil)
      self.text:SetTextColor(0.5, 0.5, 0.5, 1)
      self.check:SetDesaturated(true)
      self.expand:SetDesaturated(true)
      self:oldDisable()
   end
   
   local function enable(self)
      self.enabled = true
      self:SetScript("OnMouseDown", pushText)
      self:SetScript("OnMouseUp", unpushText)
      self.text:SetTextColor(1, 1, 1, 1)
      -- self.text:SetTextColor(self:GetTextColor())    -- Removed in 3.0
      self.check:SetDesaturated(false)
      self.expand:SetDesaturated(false)
      self:oldEnable()
   end
   
   local function revert()
      --ColorPickerFrame.previousValues.frame
   end
   
   local function setColor()
      local r,g,b = ColorPickerFrame:GetColorRGB()
      local a = ColorPickerFrame.opacity or 1
      local f = ColorPickerFrame.previousValues.frame
      f:GetNormalTexture():SetVertexColor(r, g, b, a)
      if f:GetParent().OnClick then
         f:GetParent():OnClick(r,g,b,a)
      end
   end
   
   local function revert()
      local p = ColorPickerFrame.previousValues
      ColorPickerFrame:SetColorRGB(p.r, p.g, p.b)
      ColorPickerFrame.opacity = p.opacity
      setColor()
   end
   
   local function openColorPicker(self)
      local p = self:GetParent()
      p.r, p.g, p.b, p.a = self:GetNormalTexture():GetVertexColor()

      ColorPickerFrame.hasOpacity = p.hasOpacity
      ColorPickerFrame.opacityFunc = p.opacityFunc
      ColorPickerFrame.opacity = p.a
      ColorPickerFrame:SetColorRGB(p.r, p.g, p.b)
      ColorPickerFrame.previousValues = ColorPickerFrame.previousValues or {}
      ColorPickerFrame.previousValues.r = p.r
      ColorPickerFrame.previousValues.g = p.g
      ColorPickerFrame.previousValues.b = p.b
      ColorPickerFrame.previousValues.opacity = p.a
      ColorPickerFrame.previousValues.frame = self
      ColorPickerFrame.cancelFunc = revert
      ColorPickerFrame.func = setColor
      
      ShowUIPanel(ColorPickerFrame)
   end
   
   local function highlightSwatch(self)
      self.tex:SetTexture(NORMAL_FONT_COLOR.r, NORMAL_FONT_COLOR.g, NORMAL_FONT_COLOR.b);
   end

   local function unhighlightSwatch(self)
      self.tex:SetTexture(HIGHLIGHT_FONT_COLOR.r, HIGHLIGHT_FONT_COLOR.g, HIGHLIGHT_FONT_COLOR.b);
   end
   
   local function makeTitle(self, t)
      -- self.text:SetJustifyH("CENTER")
      self.text:ClearAllPoints()
      self.text:SetPoint("LEFT", self, "LEFT", 16, 0)
      self.text:SetPoint("RIGHT", self, "RIGHT", -16, 0)
      self.text:SetTextColor(1, 0.8, 0, 1)
      self.clickable = false
      if t then self.text:SetText(t) end
   end
   
   local function makeButton(self, t)
      local text, frame, check, expand = self.text, self, self.check, self.expand
      text:ClearAllPoints()
      text:SetPoint("TOP", frame, "TOP")
      text:SetPoint("LEFT", check, "RIGHT", 4, 0)
      text:SetPoint("BOTTOM", frame, "BOTTOM")
      text:SetPoint("RIGHT", expand, "LEFT", -4, 0)
      text:SetJustifyH("LEFT")
      self.text:SetTextColor(1, 1,1,1)
      self.clickable = true
      if t then text:SetText(t) end
   end

   function NewDropdownButton(f)
      local frame = f or CreateFrame("Button", nil, UIParent)
      frame:SetHighlightTexture([[Interface\QuestFrame\UI-QuestTitleHighlight]])
      frame:GetHighlightTexture():SetBlendMode("ADD")
      -- frame:SetDisabledTextColor(0.5, 0.5, 0.5, 1)   -- Removed in 3.0
      frame:SetPushedTextOffset(3,-3)
      frame:SetHeight(18)
      
      local check = frame.check or frame:CreateTexture()
      check:SetTexture([[Interface\Buttons\UI-CheckBox-Check]])
      check:SetWidth(18)
      check:SetHeight(18)
      check:SetPoint("LEFT", frame, "LEFT", 4, 0)
      check:Hide()
      frame.check = check

      local expand = frame.expand or frame:CreateTexture()
      expand:SetTexture([[Interface\ChatFrame\ChatFrameExpandArrow]])
      expand:SetWidth(16)
      expand:SetHeight(16)
      expand:SetPoint("RIGHT", frame, "RIGHT", -4, 0)
      expand:Hide()
      frame.expand = expand
      
      local text = frame.text or frame:CreateFontString(nil, nil, "GameFontHighlightSmall")
      frame.text = text
      frame.SetText = settext
      frame.MakeButton = makeButton
      frame.MakeTitle = makeTitle
      frame:MakeButton("<not set>")
      
      local swatch = frame.swatch or CreateFrame("Button", nil, frame)
      swatch:SetWidth(18)
      swatch:SetHeight(18)
      swatch.tex = swatch.text or swatch:CreateTexture(nil, "BACKGROUND")
      swatch.tex:SetPoint("CENTER", swatch, "CENTER")
      swatch.tex:SetWidth(swatch:GetWidth()-2)
      swatch.tex:SetHeight(swatch:GetHeight()-2)
      -- swatch.tex:SetTexture([[Interface\ChatFrame\ChatFrameColorSwatch]])
      swatch:SetNormalTexture([[Interface\ChatFrame\ChatFrameColorSwatch]])
      swatch:SetPoint("RIGHT", frame, "RIGHT", -4, 0)
      swatch:SetScript("OnClick", openColorPicker)
      swatch:SetFrameLevel(frame:GetFrameLevel() + 100)
      swatch:SetScript("OnEnter", highlightSwatch)
      swatch:SetScript("OnLeave", unhighlightSwatch)
      swatch:Hide()
      frame.swatch = swatch
      unhighlightSwatch(swatch)
      
      frame:SetScript("OnEnter", enterButton)
      frame:SetScript("OnLeave", leaveButton)
      frame.enter, frame.leave = enterButton, leaveButton
      
      frame:SetScript("OnMouseDown", pushText)
      frame:SetScript("OnMouseUp", unpushText)
      frame:SetScript("OnClick", click)
      frame.SetGroup = SetGroup
      frame.SetChecked = SetChecked
      frame.AcquireFrame = AcquireFrame
      frame.GetRoot = GetRoot
      frame.oldDisable, frame.Disable = frame.Disable, disable
      frame.oldEnable, frame.Enable = frame.Enable, enable
      frame.Release = ReleaseButton

      frame.clickable = true
      frame.enabled = true
      frame:Enable()
      
      return frame
   end
end

function ReleaseFrame(f)
   if f.rootMenu then
      openMenu = nil
   end
   if f.released then return end
   f.released = true
   f.data = nil
   f.dataname = nil
   f.rootMenu = nil
   
   f:Hide()
   f:SetParent(UIParent)
   f:ClearAllPoints()
   
   tinsert(framePool, f)
   for i = 1, #f.buttons do
      local button = tremove(f.buttons)
      button:Release()
   end
   return nil
end

function AcquireButton(p)
   local b = NewDropdownButton(tremove(buttonPool))
   b.released = false
   b:EnableMouse(true)
   b:Show()
   p:AddButton(b)
   return b
end

function ReleaseButton(b)
   if b.released then return end
   tinsert(buttonPool, b)
   b.desc = nil
   b.released = true
   b.Enable = b.oldEnable
   b.Disable = b.oldDisable
   b.handled = false
   b:SetParent(UIParent)
   b:Hide()
   if b.slider then
      b.slider = ReleaseSlider(b.slider)
   end
   if b.input then
      b.input = ReleaseInput(b.input)
   end
   b:ClearAllPoints()
   b:MakeButton("(released)")
   if b.groupFrame then
      b.groupFrame.Showing = nil
      b.groupFrame = b.groupFrame:Release()
   end
   
end

local function frameReleaseOnHide(self)
   self:SetScript("OnHide", nil)
   self:Release()
end

function AcquireFrame(parent, toplevel)
   local f = tremove(framePool) or NewDropdownFrame()
   InitializeFrame(f) -- set the look of the frame
   f.released = false
   f.buttons = f.buttons or {}
   f:SetParent(parent or UIParent)
   if parent then
      f:SetScript("OnLeave", HideRecursive)
   else
      f:SetScript("OnLeave", nil)
   end
   if toplevel then
      f:SetScript("OnHide", frameReleaseOnHide)
   else
      f:SetScript("OnHide", nil)
   end
   f:ClearAllPoints()
   f:Show()
   return f
end

----------------------------------------------------------------------
----------------------------------------------------------------------
do
   local Ace3 = {}
   local grefresh
   local info = {}
   local options
   local currentOptionData
   local function setup(k, v, parent)
      local b = parent:AcquireButton()
      b.data = v
      b.option = v
      b.dataname = k
      b.refresh = grefresh
      return b
   end

   local function setInfoOptions()
      local option = options
      for _, key in ipairs(info) do
         if option.args and option.args[key] then
            option = option.args[key]
         else
            return
         end
      end
      info.option = option
      info.type = option.type
   end

   local function initInfo(type)
      info.options = options
      info.appName = options.name
      info.type = type
      info.uiType = "dropdown"
      info.uiName = "LibDropdown-1.0"
   end

   local function wipeInfo()
      local type = info.type
      wipe(info)
      initInfo(type)
   end
      
   local function runHandler(button, handler, ...)
      info.handler = handler
      info.option = button.data
      if not button.rootMenu then
         tinsert(info, 1, button.dataname)
      end
      local v = button.data
      if v and v[handler] then
         local ht = type(v[handler])
         if ht == "function" then
            setInfoOptions()
            local ret, r1, r2, r3 = v[handler](info, ...)
            wipeInfo()
            return ret, r1, r2, r3
         elseif ht == "table" then
            return v[handler]
         elseif ht == "string" then
            local t = runHandler(button, "handler", ...)
            if type(t) == "table" then
               setInfoOptions()
               local ret, r1, r2, r3 = t[v[handler]](t, info, ...)
               wipeInfo()
               return ret, r1, r2, r3
            end
         end
      elseif v and v[handler] == false then
         return nil             -- Is this right?
      else
         if button.GetParent then
            local pp = button:GetParent() and button:GetParent():GetParent()
            if not pp or not pp.data then
               pp = button:GetParent()
            end
            if pp and pp.data then
               return runHandler(pp, handler, ...)
            end
         end
      end
      wipeInfo()                                
      return nil
   end
   
   function grefresh(self)
      local isDisabled = false
      self:SetText(self.data.name)
      self.desc = self.data.desc
      if type(self.data.disabled) == "function" then
         if self.data.disabled() then
            self:Disable()
	    isDisabled = true
         else
            self:Enable()
         end
      elseif type(self.data.disabled) == "boolean" then
         if self.data.disabled then
            self:Disable()
	    isDisabled = true
         else
            self:Enable()
         end
      end
      return isDisabled
   end

   -- group
   do
      local function refresh(self)
         grefresh(self)
         if not self.groupFrame or self.groupFrame == self:GetParent() then return end
         self.groupFrame:Refresh()
      end
      function Ace3.group(k, v, parent)
         local b = setup(k, v, parent)
         if v.inline then
            -- TODO: Add heading 
            local b2 = parent:AcquireButton()
            b:MakeTitle(k)
            b2.refresh = noop
            lib:OpenAce3Menu(v.args, parent)
         else
            b:SetGroup(v.args, lib.OpenAce3Menu)
         end
         b.refresh = refresh
      end
   end  
   
   -- execute
   function Ace3.execute(k, v, parent)
      local b = setup(k, v, parent)
      b:SetText(v.name)
      b.desc = v.desc
      b.OnClick = function(self)
                     initInfo('execute')
                     runHandler(self, "func")
                     self:GetRoot():Refresh()
                  end
   end
   
   -- input
   do
      local function refresh(self)
         grefresh(self)
         self.input:SetText(runHandler(self, "get") or "")
      end
      
      local function inputValueChanged(self, val)
         initInfo('input')
         runHandler(self:GetParent():GetParent(), "set", val)
         self:GetParent():GetRoot():Refresh()
      end
      
      function Ace3.input(k, v, parent)
         local b = setup(k, v, parent)
         b:SetGroup(v, lib.Ace3InputShow)
         b.input = AcquireInput()
         b.refresh = refresh
      end
      
      local function showInput(frame)
         local data = frame.data
         local input = frame:GetParent().input
         input:SetParent(frame)
         input:ClearAllPoints()
         input:SetPoint("LEFT", frame, "LEFT", 10, 0)
         frame:SetWidth(185)
         input:SetWidth(170)
         input:SetHeight(34)
         frame:SetHeight(34)
         input.ValueChanged = inputValueChanged
         input:Show()
         refresh(frame:GetParent())
      end

      function lib:Ace3InputShow(t, parent)
         parent.data = t
         parent.Showing = showInput
      end          
   end
   
   -- toggle
   do
      local function refresh(self)
         local disabled = grefresh(self)
         initInfo('toggle')
	 local actual = runHandler(self, "get")
	 if disabled then
	    self:SetChecked(false)
	 else
	    self:SetChecked(actual)
	 end
      end
      local function onClick(self)
         initInfo('toggle')
         if self.data.tristate then
            local val = runHandler(self, "get")
            local sv 
            if val == nil then sv = true
            elseif val == true then sv = false
            else sv = nil end
            runHandler(self, "set", sv)
         else
            local val = not runHandler(self, "get")
            runHandler(self, "set", val)
         end
         self:GetRoot():Refresh()
      end
      
      function Ace3.toggle(k, v, parent)
         local b = setup(k, v, parent)
         b.OnClick = onClick
         b.tristate = v.tristate
         b.refresh = refresh
      end
   end

   -- header
   do
      local function refresh(self)
         grefresh(self)
      end

      function Ace3.header(k, v, parent)
         local b = setup(k, v, parent)
         b:MakeTitle(k)
         b:EnableMouse(false)
         b.tristate = nil
         b.refresh = refresh
      end
   end

   -- color
   do
      local function refresh(self)
         grefresh(self)
         initInfo('color')
         self.swatch:GetNormalTexture():SetVertexColor(runHandler(self, "get"))
      end
      function Ace3.color(k, v, parent)
         local b = setup(k, v, parent)
         b.swatch:Show()
         b.clickable = false
	 b.refresh = refresh
         b.OnClick = function(self, r, g, b, a)
			runHandler(self, "set", r, g, b, a);
                        self:GetRoot():Refresh()
                     end
      end
   end
   
   -- select
   do
      local function refresh(self)
         grefresh(self)
         if self.groupFrame then
            self.groupFrame:Refresh()
         end
      end
      function Ace3.select(k, v, parent)
         local b = setup(k, v, parent)
         b.parentTree = v
         b:SetGroup(v.values, lib.Ace3MenuSelect)
         b.refresh = refresh
      end
      
      local function buttonRefresh(self)
         initInfo('select')
         self:SetChecked( runHandler(self:GetParent():GetParent(), "get") == self.value )
      end
      function lib:Ace3MenuSelect(t, parent)
         initInfo('select')
         if type(t) == "string" or type(t) == "function" then
            t = runHandler(parent, "values")
         end
         if type(t) == "table" then
            for k, v in pairs(t) do
               local b = parent:AcquireButton()
               b:SetText(v)
               b.value = k
               b.OnClick = function(self)
                              initInfo('select')
                              runHandler(self:GetParent():GetParent(), "set", self.value)
                              self:GetParent():GetRoot():Refresh()
                           end
               b.refresh = buttonRefresh
            end
         end
      end               
   end
   
   -- range
   -- Some extra tricksery for mousewheel on the containing frame. A bit more user friendly.
   do
      local function refresh(self)
         grefresh(self)
         initInfo('range')
         self.slider:SetValue(runHandler(self, "get") or self.slider:GetMinMaxValues())
         initInfo('range')
         self.slider.text:SetText(runHandler(self, "get"))
      end       

      function Ace3.range(k, v, parent)
         local b = setup(k, v, parent)
         b:SetGroup(v, lib.Ace3SliderShow)
         b.slider = AcquireSlider()
         b.refresh = refresh
      end
      
      local function onWheel(f)                 
         f:GetParent().slider:GetScript("OnMouseWheel")(f:GetParent().slider)
      end
      
      local function removeMousewheelFuncs(f)
         tremove(f.buttons)
         f:EnableMouseWheel(false)
         f:SetScript("OnMouseWheel", nil)
         f.Hiding = nil
      end
      
      local function sliderValueChanged(self, val)
         initInfo('range')
         runHandler(self:GetParent():GetParent(), "set", val)
         self:GetParent():GetRoot():Refresh()
      end
      
      local function showSlider(frame)
         local data = frame.data
         local slider = frame:GetParent().slider

         slider:SetParent(frame)
         slider:ClearAllPoints()
         slider:SetPoint("CENTER", frame, "CENTER")
         slider:SetPoint("TOP", frame, "TOP", 0, -8)
         slider:SetHeight(150)
         slider.text:ClearAllPoints()
         slider.text:SetPoint("BOTTOMLEFT", frame, "BOTTOMLEFT", 0, 8)
         slider.text:SetPoint("BOTTOMRIGHT", frame, "BOTTOMRIGHT", 0, 8)

         slider.text:SetText(data.max)
         frame:SetWidth(max(60, slider.text:GetStringWidth() + 10))

         slider.step = data.bigStep
         slider:SetMinMaxValues(data.min or 0, data.max or 100)                         
         slider:SetValueStep(data.bigStep or data.step or 1)
         slider.ValueChanged = sliderValueChanged
         
         frame:EnableMouseWheel(true)
         frame:SetScript("OnMouseWheel", onWheel)
         frame.Hiding = removeMousewheelFuncs
         frame:SetHeight(180)
         
         slider:Show()
         refresh(frame:GetParent())
      end
      
      function lib:Ace3SliderShow(t, parent)
         parent.data = t
         parent.Showing = showSlider
      end
   end
   
   do
      local sortOptions = function(a,b)
                             if (b.order or 100) > (a.order or 100) then return true
                             elseif (b.order or 100) < (a.order or 100) then return false
                             elseif b.name:lower() > a.name:lower() then return true
                             else return false
                             end                        
                          end
      
      function lib:OpenAce3Menu(t, parent)
	 assert(t and type(t) == "table", "Expected table, got "..type(t))
         if parent == nil and t.args then
            if openMenu then
               openMenu:Release()
            end
            options = t
            openMenu = AcquireFrame(nil, true)
            openMenu:Show()
            openMenu.data = t
            openMenu.dataname = "Root menu"
            openMenu.rootMenu = true
            openMenu:SetPoint("CENTER", UIParent, "CENTER")
            self:OpenAce3Menu(t.args, openMenu)
            openMenu:Refresh()
            openMenu:SetFrameStrata("TOOLTIP")
            return openMenu
         else
            local sortedOpts = new()
            local lookup = new()
            for i = 1, #sortedOpts do
               tremove(sortedOpts)
            end
            for k, v in pairs(t) do
               lookup[v] = k
               tinsert(sortedOpts, v)
            end
            table.sort(sortedOpts, sortOptions)
            for _, v in ipairs(sortedOpts) do
               if Ace3[v.type] and not v.dropdownHidden and not v.hidden then
                  Ace3[v.type](lookup[v], v, parent)
               end
            end
            sortedOpts = del(sortedOpts)
            lookup = del(lookup)
         end
      end
   end
end

------------------------------------------------------
------------------------------------------------------

local toggled = true
local r,g,b,a = 1,0,1,1
local options = {"foo", "bar", "foobar"}
local optIndex = 1
local rangeVal, rangeVal2 = 100, 10
local inherits = {["inherittoggle"] = true}

local t = {
   type = "group",
   name = "group",
   desc = "group",
   args = {
      foo = {
         type = "input",
         name = "text",
         desc = "text desc",
         get = function(info) return "texting!" end,
         set = function(info, v) end
      },
      inherit = {
         type = "group",
         name = "inheritance test",
         desc = "inheritance test",
         get = function(info) ChatFrame1:AddMessage(("Got getter, getting %s (%s)"):format(tostring(info[#info]), tostring(inherits[info[#info]]))); return inherits[info[#info]] end,
         set = function(info, v) ChatFrame1:AddMessage("Got setter:" .. tostring(v)); inherits[info[#info]] = v end,
         args = {
            inherittoggle = {
               type = "toggle",
               name = "inherit toggle",
               desc = "inherit toggle"
            },
         }
      },
      exec = {
         type = "execute",
         name = "Say hi",
         desc = "Execute, says hi",
         func = function() ChatFrame1:AddMessage("Hi!") end
      },
      range = {
         type = "range",
         name = "Range slider",
         desc = "Range slider",
         min = 0,
         max = 800,
         bigStep = 50,
         get = function(info) return rangeVal end,
         set = function(info, v) rangeVal = v end,                      
      },
      range2 = {
         type = "range",
         name = "Range slider 2",
         desc = "Range slider 2",
         min = 0,
         max = 80,
         bigStep = 5,
         get = function(info) return rangeVal2 end,
         set = function(info, v) rangeVal2 = v end,                     
      },                
      toggle = {
         type = "toggle",
         name = "Toggle",
         desc = "Toggle",
         get = function() return toggled end,
         set = function(info, v) toggled = v end,
         disabled = function(info) return not toggled end
      },
      toggle3 = {
         type = "toggle",
         name = "Tristate Toggle Tristate Toggle Tristate Toggle",
         desc = "Tristate Toggle",
         tristate = true,
         get = function() return toggled end,
         set = function(info, v) toggled = v end
      },                
      select = {
         type = "select",
         name = "select",
         desc = "select desc",
         values = options,
         get = function(info) return optIndex end,
         set = function(info, v) optIndex = v end
      },
      color = {
         type = "color",
         name = "color swatch",
         desc = "color swatch desc",
         get = function(info) return r,g,b,a end,
         set = function(info, _r,_g,_b,_a) r,g,b,a = _r,_g,_b,_a end
      },
      foo3 = {
         type = "group",
         name = "group!",
         desc = "group desc",
         args = {
            toggle3 = {
               type = "toggle",
               name = "Tristate Toggle Tristate Toggle Tristate Toggle",
               desc = "Tristate Toggle",
               tristate = true,
               get = function() return toggled end,
               set = function(info, v) toggled = v end
            },  
         }
      },
      foo4 = {
         type = "group",
         name = "inline group!",
         desc = "inline group desc",
         inline = "true",
         args = {
            foo2 = {
               type = "input",
               name = "text3",
               desc = "text3 desc",
               get = function(info) return "texting!" end,
               set = function(info, v) end
            }
         },
         order = 500
      },                
      close = {
         type = "execute",
         name = "Close",
         desc = "Close this menu",
         func = function(self)  end,
         order = 1000
      }
   }
}

function testlibdropdown()
   LibStub("LibDropdown-1.0"):OpenAce3Menu(t)
end


---- 

WorldFrame:HookScript("OnMouseDown", function()
                                        if openMenu then
                                           openMenu = openMenu:Release()
                                        end
                                     end)
